Spray gun



FIG. 1 is a front left isometric view of a spray gun;

FIG. 2 is a right isometric view thereof;

FIG. 3 is a left isometric view thereof,

FIG. 4 is a left side view thereof;

FIG. 5 is a back side view thereof;

FIG. 6 is a front side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a top view thereof; and,

FIG. 9 is a bottom view thereof. 

CLAIM The ornamental design for a spray gun, as shown and described. 